A Turkish court has overturned the convictions and released 71 cadets jailed for life for their alleged involvement in a 2016 coup attempt, a lawyer who follows the case closely said on Wednesday. A total of 355 cadets were given life sentences for their alleged attempt to overthrow the government of Prime Minister Recep Tayyip Erdogan. The coup was followed by sweeping purges in which tens of thousands lost their government jobs. Nearly 5,000 people have been convicted, with nearly 3,000 of them jailed for life. But human rights lawyers and the cadets’ mothers have long argued that the purges…